MyBB SQL Error

MyBB has experienced an internal SQL error and cannot continue.

SQL Error:
145 - Table './balkania_forum/mybb_sessions' is marked as crashed and should be repaired
Query:
REPLACE INTO mybb_sessions SET `uid`=0,`sid`='55f0c36a71f7faf66caf69a289ae604c',`time`=1711718535,`ip`=X'12eacaca',`location`='/showthread.php?tid=406&action=newpost',`useragent`='claudebot',`location1`=6,`location2`=406,`nopermission`=0